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Saint Lucia weather in September (Saint Lucia)

Can you expect sunny skies in Saint Lucia in September? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

In September, Saint Lucia usually has very high temperatures and high rainfall. Anticipate daytime highs near 31°C, and cooler nights with temperatures around 26°C. With these average temperatures, expect occasional spikes in warmth. Wear light fabrics and stay cool by hydrating regularly.

Precipitation

Saint Lucia in September usually receives high rainfall, averaging around 126 mm for the month. Expect around 24 days of rain based on historical data.

Average sunshine

With around 238 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Saint Lucia. January, February and March generally stand out with the best circumstances. While July, August, September, October and November tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Saint Lucia climate page with graphs.

 

Saint Lucia, monthly averages in September

Min TemperatureMin Temperature 26°C  
Max TemperatureMax Temperature 31°C  
Chance of RainChance of Rain 81%  
PrecipitationPrecipitation 126 mm  
Rainy daysRainy days 24 days  
HumidityHumidity 81%  
SunshineSunshine 238 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Saint Lucia in September

Find out more about the weather in Saint Lucia and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Saint Lucia.

Our site offers climate and forecast data for every country in the world. Are you going to Saint Lucia? On this website you can find historical weather averages for many cities in Saint Lucia. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.